期刊
SCIENCE
卷 313, 期 5793, 页码 1628-1632出版社
AMER ASSOC ADVANCEMENT SCIENCE
DOI: 10.1126/science.1130773
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Liver regeneration is an orchestrated cellular response that coordinates cell activation, lipid metabolism, and cell division. We found that caveolin-1 gene - disrupted mice (cav1(-/-) mice) exhibited impaired liver regeneration and low survival after a partial hepatectomy. Hepatocytes showed dramatically reduced lipid droplet accumulation and did not advance through the cell division cycle. Treatment of cav1(-/-) mice with glucose ( which is a predominant energy substrate when compared to lipids) drastically increased survival and reestablished progression of the cell cycle. Thus, caveolin-1 plays a crucial role in the mechanisms that coordinate lipid metabolism with the proliferative response occurring in the liver after cellular injury.
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